[llvm-bugs] [Bug 47128] New: HexagonTTIImpl::getMinVectorRegisterBitWidth() returns 0 with out HVX

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=47128

            Bug ID: 47128
           Summary: HexagonTTIImpl::getMinVectorRegisterBitWidth() returns
                    0 with out HVX
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: Hexagon
          Assignee: unassignedbugs at nondot.org
          Reporter: llvm-dev at redking.me.uk
                CC: kparzysz at quicinc.com, llvm-bugs at lists.llvm.org,
                    spatel+llvm at rotateright.com, srj at google.com

As noted on https://reviews.llvm.org/D81766, getMinVectorRegisterBitWidth()
shouldn't return 0 if it doesn't have a vector unit, instead it should fallback
to the scalar register width returned by getRegisterBitWidth - for Hexagon this
is 32.

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